The Stolen Sky Ring is the 44th episode of the Katekyo Hitman Reborn! anime.
Tsuna's Vongola Ring is taken from him for having interfered in Lambo's fight. Tsuna's father leaves for Italy, after Xanxus hints at having done something to the 9th Boss of Vongola. While Tsuna continues his training, Gokudera is trying to perfect his ultimate technique.